Home / 79,151.29-109,228.74-43,341.28

Finding the Fourth Proportional to 79,151.29, 109,228.74 and 43,341.28

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Solution

The fourth proportional to 79,151.29, 109,228.74 and 43,341.28 is: 59,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,151.29 : 109,228.74 = 43,341.28 : x
  2. Step 2: Convert to fraction form
    79,151.29/109,228.74 = 43,341.28/x
  3. Step 3: Cross multiply
    79,151.29x = 109,228.74 × 43,341.28
  4. Step 4: Simplify right side
    79,151.29x = 4,734,113,404.39
  5. Step 5: Solve for x
    x = 4,734,113,404.39/79,151.29
  6. Step 6: Final answer
    x = 59,810.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.